3-64 OM 803 us – Edition 3.7 * * 803b340.fm
Operation
Overview of connections
Possible damage to the hydraulic system.
• Always couple and uncouple in the correct boom and stabilizer-blade posi-
tion – See Coupling on page 3-65.
• Before coupling or uncoupling hydraulic hoses, stop the power unit and the
diesel engine of the excavator.
Possible serious damage to the environment due to unconnected hydraulic lines.
• The hydraulic hoses of the power unit must be connected to the excavator
before starting the power unit.
Fig. 138: Overview of connections (symbolic representation)
D
C
A
E
A
B
D
B
Designation
A Split pin
B Pins
C Lance
D Hydraulic connections
E Clamping screw
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